replacement channel balances

A handy person from Key West Florida says:
March 12, 2024

I need 4, 1/2" wide, 24" length channel balances. The base is winged and appears to be 1-1/8" deep front to back. The old channel is marked with 23B u.s.b. The window frame is extruded aluminum and weighs about 13-Lbs. Also would like your help with top sash guide affixed to window sash frame. I believe the 18-009 5/8 top sash guide is a close match to what is currently attached to the top portion on the window.

Thank You, Chuck

Thumbnail of the uploaded file named Channel length
Thumbnail of the uploaded file named Bottom fitting
Thumbnail of the uploaded file named Shoe depth
Thumbnail of the uploaded file named Top fitting
Thumbnail of the uploaded file named Winged shoe
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Casey from SWISCO responded:
March 13, 2024

Hello,

I would recommend starting by comparing the specifications of the S350-24 channel balance to your assembly. Please note that the bottom fitting that comes with this balance measures 1-3/32" deep as shown below. If it's a match, the 23B stamp would correspond to our 2320 strength option, which supports a sash between 9-15 lbs. Thanks for posting! 

Close up view of the S350 balance top.
Close up view of the S350 balance top.

Close up view of the S350 balance shoe.
Close up view of the S350 balance shoe.
5/8" Top Sash Guide
5/8" Top Sash Guide
18-009
$0.99
24" Series 350 Channel Balance
24" Series 350 Channel Balance
S350-24
$10.77
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